Westinghouse Electric Supply · Electronic Components
919-3743
Relay, Electromagnetic
Part Number919-3743
ManufacturerWestinghouse Electric Supply
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-820-9746 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Overall Length3.310 INCHES NOMINAL
Frequency In Hertz60.0 NOMINAL
Duty TypeCONTINUOUS
Coil Quantity1
Nominal Operating Current Rating A220.0 MILLIAMPERES AC SINGLE WINDING
Winding Quantity1
Terminal Type And Quantity10 PIN ALL FUNCTIONS
Unthreaded Mounting Hole Diameter0.190 INCHES NOMINAL SINGLE MOUNTING FACILITY
Mounting Facility Type And Quantit3 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Center To Center Distance Between3.188 INCHES NOMINAL SINGLE MOUNTING FACILITY
Nonpile Up Main Contact Arrangemen4 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is 919-3743 available?
We can source 919-3743 even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is 919-3743 by Westinghouse Electric Supply obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 919-3743 has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like 919-3743?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for 919-3743?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.